The Singapore government has said police would make stricter checks of people.
Besides the exchanges in Singapore and the DMZ, US Secretary of State Mike Pompeo last week met Kim Yong Chol, vice chairman of North Korean ruling Workers' Party of Korea Central Committee, in NY.
But the tropical getaway would only be an option if the summit is successful- an outcome that falls into Kim's lap, Trump's advisers have told him.
A senior White House official acknowledged Sunday that it will take time to dismantle North Korea's nuclear weapons program even if the United States would like to see immediate denuclearization. "I think that has resonated to this whole point now".
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The injury occurred in November when he was hit in the face by teammate Aron Baynes . He added: "They're going to be out there thinking "we're one game from the Finals".
Schumer expressed hope that next week's high-level summit with North Korea would be successful, adding that Trump had to secure a good deal. "It is going to be a process".
He made clear, however, that sanctions on North Korea will not be lifted until the country agrees to give up its nuclear arsenal.
This Reuters file photo shows Larry Kudlow, director of the White House National Economic Council.
Trump said last week he'd avoid using the phrase because of improving relations between the two countries.
"The President has broad discretion under existing sanctions law against North Korea".
Mr Giuliani has become a lightning rod during his tenure on Mr Trump's team, drawing the President's ire for a series of scattershot interviews.